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Knocking noise

Tiny
KANDYNANCE
  • MEMBER
  • 2001 SATURN SL2
  • 67,000 MILES
I have a 2001 Saturn SL2 5-speed. When I'm driving and the RPM's are getting close enough to shift, there's a knocking noise. When the car is idling, I don't hear the noise and when the car is in the RPM range for the gear it's in, I don't hear the noise.
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Monday, February 14th, 2011 AT 8:12 PM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
So does it sound like the engine knocking?Or a different kind of noise?
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Monday, February 14th, 2011 AT 8:26 PM
Tiny
KANDYNANCE
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  • 4 POSTS
It doesn't really sound like the engine.
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Monday, February 14th, 2011 AT 8:29 PM
Tiny
SATURNTECH9
  • MECHANIC
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What and where does it sound like it's coming from?
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Monday, February 14th, 2011 AT 8:34 PM
Tiny
KANDYNANCE
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  • 4 POSTS
I'm not sure. Could be either the clutch or the transmission.
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Monday, February 14th, 2011 AT 8:37 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Noise's are hard enough to find in person test driving the car let alone over the internet. So have you pulled your transmission dipstick to see if the fluid is low or looks like there is material in the fluid like something is coming apart in your transmission?Is that the only time you hear the noise is while driving and the rpm's are ready to shift?
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Monday, February 14th, 2011 AT 8:52 PM
Tiny
KANDYNANCE
  • MEMBER
  • 4 POSTS
I just had an oil change and all the fluids checked. And the only time I hear it is when I'm getting ready to shift. If I don't shift right away (when the RPM's are up)you can hear the sound. Then I shift and it goes away until it's time to shift again.
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Monday, February 14th, 2011 AT 8:55 PM
Tiny
SATURNTECH9
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  • 30,870 POSTS
I would double check that transmission fluid most manual transmissions the fluid get's over looked and most don't have a dipstick so there rarely checked when checking the fluid. The only way I can tell you to try to track down the noise for sure is to put the front of the car on jack stands securely and block the wheel's with the brake on. Then spin the front wheel's until you hear the noise use a long screwdriver up to your ear while touching different part's of the car like transmission engine etc. To track the noise down.
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Monday, February 14th, 2011 AT 9:06 PM

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